Greene's latest book, just out in paperback, is Mastery. It focuses on how one can discover and excel at their "life's work" -- the skill that one is uniquely good at. We talk mastery, empathy, his feelings about that famous Richard Sherman interview, and what surprising things he learned about 50

As always, you can listen and subscribe to Outside the Lines on iTunes. You can also like us on Facebook and keep up with info about the show on Twitter. You can also check out the show on our new website, via the player on the RG Facebook page, on Soundcloud, or just by listening above

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